Schematic Diagram - Main Board (3/4) - Sony HCD-GX30 Service Manual

HCD-GX30/RG22/RG33
5-9. Schematic Diagram – MAIN Board (3/4) –
MAIN BOARD
4
3
5
6
TO
MAIN BOARD
(1/4)
23
6
24
22
TO
MAIN BOARD
(2/4)
9
10
4
13
14
TO
15
MAIN BOARD
(1/4)
16
17
18
TO
MAIN
BOARD
(2/4)
• See page 34 for IC Block Diagrams.
(3/4)
11.4
11.4
BUFFER
BUFFER
4.7
4.6
4.4
4.3
IC301 IC B/D
SOUND PROCESSOR
0.7
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6 4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
9.2
4.6 0
0
20 21 19 27 26 25 2829
TO
5 8
MAIN
BOARD
(2/4)
IC804
IC803
+5V REG
SWITCH
+5.6V REG
5 13.6
5.6
13.6
13.6
13.6
0.6
9
12
24.6
IC801
IC802
+9V REG
+12V REG
R814
0
PROTECT CONT
49 50 51 52 53 54 55 5859606162636465666768 69 70
9
28 28
13.6
15.4
GX30/RG33
C817
0.1
D814
5.6k 12.7
R854
R812
100
4.7k 0
R813
D815
5.6k
C397
Q803
C816
R815 0.1
4.7
47k
50V MOTOR
DRIVE
4.3
0
RELAY DRIVE
0
12
0
2.9 0.7
0.8
0
0
RELAY DRIVE
Q806,813
PROTECT SWITCH
80 72 73 71 74 75 76 77 78 79
TO
MAIN
BOARD
(4/4)
F
TO
POWER BOARD
CN502
(Page 33)
GX30/RG33
M961
(FAN)
M
CN301